Print Preview: Add a test for activating the initiator tab on print.

chrome/browser/printing/print_preview_tab_controller_browsertest.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/printing/print_preview_tab_controller.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_list.h"
 #include "chrome/browser/ui/tab_contents/tab_contents_wrapper.h"
 #include "chrome/common/url_constants.h"
 #include "chrome/test/base/in_process_browser_test.h"
@@ skipping 15 matching lines @@
 
   // Lets start with one window with one tab.
   EXPECT_EQ(1u, BrowserList::size());
   EXPECT_EQ(1, browser()->tab_count());
 
   // Create a reference to initiator tab contents.
   TabContentsWrapper* initiator_tab =
       browser()->GetSelectedTabContentsWrapper();
   ASSERT_TRUE(initiator_tab);
 
-  scoped_refptr<printing::PrintPreviewTabController>
-     tab_controller(new printing::PrintPreviewTabController());
+  printing::PrintPreviewTabController* tab_controller =
+      printing::PrintPreviewTabController::GetInstance();
   ASSERT_TRUE(tab_controller);
 
   // Get the preview tab for initiator tab.
   TabContentsWrapper* preview_tab =
     tab_controller->GetOrCreatePreviewTab(initiator_tab);
 
   // New print preview tab is created. Current focus is on preview tab.
   EXPECT_EQ(2, browser()->tab_count());
   EXPECT_NE(initiator_tab, preview_tab);
 
@@ skipping 30 matching lines @@
 
   // Lets start with one window with one tab.
   EXPECT_EQ(1u, BrowserList::size());
   EXPECT_EQ(1, browser()->tab_count());
 
   // Create a reference to initiator tab contents.
   TabContentsWrapper* initiator_tab =
       browser()->GetSelectedTabContentsWrapper();
   ASSERT_TRUE(initiator_tab);
 
-  scoped_refptr<printing::PrintPreviewTabController>
-     tab_controller(new printing::PrintPreviewTabController());
+  printing::PrintPreviewTabController* tab_controller =
+      printing::PrintPreviewTabController::GetInstance();
   ASSERT_TRUE(tab_controller);
 
   // Get the preview tab for initiator tab.
   TabContentsWrapper* preview_tab =
     tab_controller->GetOrCreatePreviewTab(initiator_tab);
 
   // New print preview tab is created. Current focus is on preview tab.
   EXPECT_EQ(2, browser()->tab_count());
   EXPECT_NE(initiator_tab, preview_tab);
 
@@ skipping 29 matching lines @@
 
   // Lets start with one window with one tab.
   EXPECT_EQ(1u, BrowserList::size());
   EXPECT_EQ(1, browser()->tab_count());
 
   // Create a reference to initiator tab contents.
   TabContentsWrapper* initiator_tab =
       browser()->GetSelectedTabContentsWrapper();
   ASSERT_TRUE(initiator_tab);
 
-  scoped_refptr<printing::PrintPreviewTabController>
-     tab_controller(new printing::PrintPreviewTabController());
+  printing::PrintPreviewTabController* tab_controller =
+      printing::PrintPreviewTabController::GetInstance();
   ASSERT_TRUE(tab_controller);
 
   // Get the preview tab for initiator tab.
   TabContentsWrapper* preview_tab =
     tab_controller->GetOrCreatePreviewTab(initiator_tab);
 
   // New print preview tab is created. Current focus is on preview tab.
   EXPECT_EQ(2, browser()->tab_count());
   EXPECT_NE(initiator_tab, preview_tab);
 
@@ skipping 14 matching lines @@
   // Get the print preview tab for old preview tab.
   TabContentsWrapper* newest_preview_tab =
   tab_controller->GetOrCreatePreviewTab(preview_tab);
 
   // Make sure new preview tab is not created for |preview_tab|.
   EXPECT_EQ(2, browser()->tab_count());
   EXPECT_EQ(newest_preview_tab, preview_tab);
 }
 
 }  // namespace